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Knowledge Base - WiFi Basics
- What is WPA2?
- What is co-channel interference
- TKIP versus CCMP for WiFi security
- Should I limit the number of SSIDs?
- What is the WiFi channel width?
- Why is the minimum basic rate (MBR) important?
- What is a channel?
- What is RSSI or signal and how is it measured?
- Which channel(s) should I use for my wireless network?
- What is an SSID?
- What WiFi security setting should I use?
- What is a good 2.4 GHz channel planning process to follow?
- What is the best 5 GHz channel to use for WiFi?
- What is a recommended 5 GHz channel selection process to follow?
- What is Transmit Power Control (TPC) 802.11h
- Low AP Uptime
- 802.11h - Use of TPC
- WMM Parameters (WFA vs IEEE)
- Primary/Secondary OBSS Interference
- Locally Administered MAC Address
- What is Wi-Fi 6E?
- How Do I Connect to 6 GHz WiFi With My Laptop?
- Wi-Fi 6E / 6 GHz Channels
- Wi-Fi 6E / 6 GHz Channel Scanning
- What is A-MPDU length and how does it affect my wifi connection?
- What is Guard Interval?
- What is DFS and Should I Use DFS Channels?
- Should I Use Channel 144?
- What is a DTIM Period?
- What is Load Balancing and do I need it?
- What is Transmit Beamforming and do I need it?
- Wifi Channel Planning
- Single Channel Architecture (SCA)
- Orthogonal Frequency Division Multiplexing (OFDM)
- Line of sight (LoS)
- What is MILC / LMCI as it relates to WiFi?
- What is a WiFi beacon interval?
WiFi Glossary
- Access Point (AP)
- 40 MHz Intolerant
- 802.11ax-2021
- 4‐Way Handshake
- 802.11
- 802.11y
- 802.11n
- 802.11i
- 802.11g
- 802.11e
- 802.11ah
- Highly‐Directional Antenna
- Co‐Channel Interference (CCI)
- WPA2‐Enterprise
- WPA2‐Personal
- WPA‐Personal
- Wireless Local Area Network (WLAN)
- Wireless Intrusion Prevention System (WIPS)
- Wired Equivalent Privacy (WEP)
- Wi‐Fi Protected Setup (WPS)
- Wi‐Fi Multimedia Power Save (WMM‐PS)
- Wi‐Fi Multimedia (WMM)
- Wi‐Fi Alliance
- Wavelength
- Watt
- Voltage Standing Wave Ratio (VSWR)
- Virtual Carrier Sense
- User Priority (UP)
- Uncontrolled Port
- Transmit Power Control (TPC)
- Transmit Beamforming (TxBF)
- Transition Security Network (TSN)
- Temporal Key Integrity Protocol (TKIP)
- System Operating Margin (SOM)
- Sweep Cycle
- Supplicant
- Station (STA)
- Spectrum Analyzer
- Spectrum Analysis
- Spatial Streams
- Spatial Multiplexing Power Save (SMPS)
- Spatial Multiplexing (SM)
- Space‐Time Block Coding (STBC)
- Single Input Single Output (SISO)
- Signal to Noise Ratio (SNR)
- Signal Strength
- Service Set Identifier (SSID)
- Semi-Directional Antenna
- Secondary Channel
- Scattering
- RTS Threshold
- RSN Information Element
- Role‐Based Access Control (RBAC)
- Rogue Detection
- Rogue Containment
- Rogue Access Point
- Robust Security Network Association (RSNA)
- Robust Security Network (RSN)
- Roaming
- RF Site Survey
- RF Signal Splitter
- RF Propagation
- RF Link
- RF Line of Sight (LoS)
- RF Coverage
- RF Connector
- RF Calculator
- RF Cables
- Return Loss
- Retry
- Resolution Bandwidth (RBW)
- Request to Send/Clear to Send (RTS/CTS)
- Remote Authentication Dial‐In User Service (RADIUS)
- Remote AP
- Regulatory Domain
- Refraction
- Reflection
- Received Signal Strength Indicator (RSSI)
- Received Channel Power Indicator (RCPI)
- Reassociation
- Real‐Time Location Service (RTLS)
- RC4 (Rivest Cipher 4)
- Radio Resource Management (RRM)
- Radio Frequency (RF)
- Radio Chains
- QoS BSS
- Quality of Service (QoS)
- PTK (Pairwise Transient Key)
- PSDU
- Protocol Decodes
- Protocol Analyzer
- Protected Management Frame (PMF)
- Probe Response
- Probe Request
- Primary Channel
- Preauthentication
- Pre‐shared Key (PSK)
- PPDU
- Power over Ethernet (PoE)
- Polarization
- Point‐to‐Point (PtP)
- Point‐to‐Multipoint (PtMP)
- PoE Injector
- PMK Caching
- Physical Medium Dependent (PMD)
- Physical Layer Convergence Protocol (PLCP)
- Physical (PHY) Layer
- PHY
- Phase
- Passphrase Authentication
- Passive Survey
- Passive scanning
- Passive Gain
- Pairwise Master Key (PMK)
- Packet
- OSI (Open Systems Interconnection) Model
- Opportunistic Key Caching (OKC)
- Open System Authentication
- Omni‐Directional Antenna
- 802.11ac
- Octet
- Noise Floor
- Noise
- Network Time Protocol (NTP)
- Network Segmentation
- Network Allocation Vector (NAV)
- Near-Far
- Narrowband Interference
- Multiple Input/Multiple Output (MIMO)
- Multiple Channel Architecture (MCA)
- Multipath
- Multi‐User MIMO (MU‐MIMO)
- MAC Service Data Unit (MSDU)
- MAC Protocol Data Unit (MPDU)
- Modulation and Coding Scheme (MCS)
- Modulation
- Mobile User
- Milliwatt (mW)
- Mesh BSS
- Mesh
- Maximum Transmission Unit (MTU)
- Maximal Ratio Combining (MRC)
- Master Session Key (MSK)
- Management Frame
- MAC Filtering
- Loss
- Link Budget
- Lightning Arrestor
- Layer 4
- Layer 3
- Layer 2
- Layer 1 (PHY)
- Latency
- Jumbo Frame
- Jitter
- Interference
- Isotropic Radiator
- Internet Engineering Task Force (IETF)
- Interframe Space (IFS)
- Intentional Radiator
- Institute of Electrical and Electronics Engineers (IEEE)
- Independent Basic Service Set (IBSS)
- Hotspot
- High Rate Direct Sequence Spread Spectrum (HR/DSSS)
- High Throughput (HT)
- High Density
- Hidden Node
- Half Duplex
- Guest Networks
- Guard Interval (GI)
- Group Temporal Key (GTK)
- Group Key Handshake
- Group Master Key (GMK)
- Gain
- Full Duplex
- Fresnel Zones
- Frequency
- Free Space Path Loss
- Frame Aggregation
- Frame
- Fragmentation
- Fast Fourier Transform (FFT)
- Fade Margin
- Extensible Authentication Protocol (EAP)
- Extended Service Set (ESS)
- Extended Rate Physical (ERP)
- Equivalent Isotropically Radiated Power (EIRP)
- Enhanced Distributed Channel Access (EDCA)
- Encryption
- Elevation Chart
- Dynamic Rate Switching (DRS)
- Dynamic Frequency Selection (DFS)
- Duty Cycle
- Driver
- Domain Name System (DNS)
- Distribution System Medium (DSM)
- Distribution System (DS)
- Distributed Coordination Function (DCF)
- Disassociation Frame
- Direct‐Sequence Spread Spectrum (DSSS)
- Dipole Antenna
- Diffraction
- Differentiated Services Code Point (DSCP)
- Delivery Traffic Indication Message (DTIM)
- Delay
- Decibel (dB)
- Deauthentication Frame
- dBm (decibel to milliwatt)
- dBi (decibel to isotropic)
- dBd (decibel to dipole)
- Data Rate
- Data Frame
- Coverage
- Controller‐Based AP
- Controlled Port
- Control Frame
- Contention Window
- Containment
- CompactFlash (CF)
- Collision Avoidance (CA)
- Coding
- Client Utilities
- Clear‐to‐Send (CTS) Frame
- Clear Channel Assessment (CCA)
- Channel Width
- Certificate Authority (CA)
- Centralized Forwarding
- CCMP/AES
- Counter Cipher Mode with Block Chain Message Authentication Protocol (CCMP)
- Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
- Carrier Sense Multiple Access (CSMA)
- Carrier Frequencies
- CardBus
- Captive Portal
- Capacity
- Bit
- Byte
- BSS Transition
- Bridge
- Block Acknowledgement
- Bill of Materials (BOM)
- Beamwidth
- Beamforming
- Beacon Frame
- Basic Service Set Identification (BSSID)
- Basic Service Set (BSS)
- Basic Service Area (BSA)
- Bandwidth
- Band Steering
- Backoff Timer
- Azimuth Chart
- Autonomous AP
- Automatic Power Save Delivery (APSD)
- Authenticator
- Authentication Server
- Authentication and Key Management (AKM)
- Authentication
- Attenuator
- Attenuation
- Association ID (AID)
- Association
- Antenna
- Announcement Traffic Indication Message (ATIM)
- Amplitude
- Amplifier
- Amplification
- AirTime Fairness
- Aggregated MAC Protocol Data Units (A‐MPDU)
- AES (Advanced Encryption Standard)
- Adjacent Overlapping Channels
- Adjacent Channel Interference (ACI)
- Ad‐Hoc Mode
- Active Survey
- Active Scanning
- Active Mode
- Acknowledgement Frame
- Access Port
- Access Layer Forwarding
- Access Control List (ACL)
- Access Category (AC)
- Absorption
- AAA Framework
- AAA Server Credential
- 802.3
- 802.1X
- 802.11w
- 802.11u
- 802.11r
- 802.11k
- 802.11b
- 802.11ae
- 802.11a
- 802.11aa
- 802.11 State Machine